services/audiopolicy/engineconfigurable/config/example/phone/audio_policy_engine_product_strategies.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
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     distributed under the License is distributed on an "AS IS" BASIS,
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     -->

<ProductStrategies>

    <!-- "hidden strategies" like TTS, enforced audible:
            Shall we expose them here or keep it hard coded -->

    <!-- Used to identify the volume of audio streams for enforced system sounds in certain
         countries (e.g. camera in Japan)
         This strategy will only have higher priority than phone if force for system is set to
         enforced. -->

    <ProductStrategy name="STRATEGY_PHONE">
        <AttributesGroup streamType="AUDIO_STREAM_VOICE_CALL" volumeGroup="voice_call">
            <Attributes> <Usage value="AUDIO_USAGE_VOICE_COMMUNICATION"/> </Attributes>
        </AttributesGroup>
        <AttributesGroup streamType="AUDIO_STREAM_BLUETOOTH_SCO" volumeGroup="bluetooth_sco">
            <Attributes> <Flags value="AUDIO_FLAG_SCO"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <ProductStrategy name="STRATEGY_SONIFICATION">
        <AttributesGroup streamType="AUDIO_STREAM_RING" volumeGroup="ring">
            <Attributes> <Usage value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE"/> </Attributes>
        </AttributesGroup>
        <AttributesGroup streamType="AUDIO_STREAM_ALARM" volumeGroup="alarm">
            <Attributes> <Usage value="AUDIO_USAGE_ALARM"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <ProductStrategy name="STRATEGY_ENFORCED_AUDIBLE">
        <AttributesGroup streamType="AUDIO_STREAM_ENFORCED_AUDIBLE" volumeGroup="enforced_audible">
            <Attributes> <Flags value="AUDIO_FLAG_AUDIBILITY_ENFORCED"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <ProductStrategy name="STRATEGY_ACCESSIBILITY">
        <AttributesGroup streamType="AUDIO_STREAM_ACCESSIBILITY" volumeGroup="accessibility">
            <Attributes> <Usage value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <ProductStrategy name="STRATEGY_SONIFICATION_RESPECTFUL">
        <AttributesGroup streamType="AUDIO_STREAM_NOTIFICATION" volumeGroup="notification">
            <Attributes> <Usage value="AUDIO_USAGE_NOTIFICATION"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_NOTIFICATION_EVENT"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <ProductStrategy name="STRATEGY_MEDIA">
         <AttributesGroup streamType="AUDIO_STREAM_MUSIC" volumeGroup="music">
            <Attributes> <Usage value="AUDIO_USAGE_MEDIA"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_GAME"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_ASSISTANT"/> </Attributes>
            <Attributes> <Usage value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE"/> </Attributes>
            <Attributes></Attributes>
        </AttributesGroup>
        <AttributesGroup streamType="AUDIO_STREAM_SYSTEM" volumeGroup="system">
            <Attributes> <Usage value="AUDIO_USAGE_ASSISTANCE_SONIFICATION"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <ProductStrategy name="STRATEGY_DTMF">
        <AttributesGroup streamType="AUDIO_STREAM_DTMF" volumeGroup="dtmf">
            <Attributes> <Usage value="AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <!-- Used to identify the volume of audio streams exclusively transmitted through the  speaker
         (TTS) of the device -->
    <ProductStrategy name="STRATEGY_TRANSMITTED_THROUGH_SPEAKER">
        <AttributesGroup streamType="AUDIO_STREAM_TTS" volumeGroup="tts">
            <Attributes> <Flags value="AUDIO_FLAG_BEACON"/> </Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <!-- Routing Strategy rerouting may be removed as following media??? -->
    <ProductStrategy name="STRATEGY_REROUTING">
        <AttributesGroup streamType="AUDIO_STREAM_REROUTING" volumeGroup="rerouting">
            <Attributes></Attributes>
        </AttributesGroup>
    </ProductStrategy>

    <!-- Default product strategy has empty attributes -->
    <ProductStrategy name="STRATEGY_PATCH">
        <AttributesGroup streamType="AUDIO_STREAM_PATCH" volumeGroup="patch">
            <Attributes></Attributes>
        </AttributesGroup>
    </ProductStrategy>


</ProductStrategies>